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CVE-2026-102558

nvd nist
Published: Sep 29, 2026Modified: Oct 19, 2026

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8.6
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Exploitability: 3.9 / Impact: 4.7
Source: secalert@redhat.com (Secondary)

Description

A flaw was found in libsoup. When max-incoming-payload-size is unlimited (0), SoupWebsocketConnection could grow its incoming GByteArray based on an attacker-controlled frame length until the length wrapped, causing a heap buffer overflow while reading frame data.

Affected (5)

1 product
Libsoup
1 product
Enterprise Linux
Configuration A
5 vulnerable
Vulnerable SoftwareAffected Versions
version < 3.7.3
Redhat
Version 10.0
Version 7.0
Version 8.0
Version 9.0

References (5)

Source: secalert@redhat.com
Vendor Advisory
Source: secalert@redhat.com
MitigationVendor Advisory
Source: secalert@redhat.com
Issue TrackingVendor Advisory

Timeline

No history available yet.